| Kraainem to Olympia Heights (Florida) | 4,640.01 mi (7,467.38 km) |
| Kraainem to Omaha (Nebraska) | 4,480.70 mi (7,210.99 km) |
| Kraainem to On Top of the World Designated Place (Florida) | 4,552.04 mi (7,325.81 km) |
| Kraainem to Onalaska (Wisconsin) | 4,178.41 mi (6,724.50 km) |
| Kraainem to Oneida (New York) | 3,626.95 mi (5,837.02 km) |
| Kraainem to Oneonta (New York) | 3,630.03 mi (5,841.97 km) |
| Kraainem to Ontario (California) | 5,596.27 mi (9,006.33 km) |
| Kraainem to Ontario (Oregon) | 5,002.37 mi (8,050.53 km) |
| Kraainem to Opa-locka (Florida) | 4,627.59 mi (7,447.38 km) |
| Kraainem to Opelika (Alabama) | 4,501.96 mi (7,245.21 km) |
| Kraainem to Opelousas (Louisiana) | 4,878.50 mi (7,851.19 km) |
| Kraainem to Orange (California) | 5,616.64 mi (9,039.11 km) |
| Kraainem to Orange (Texas) | 4,965.58 mi (7,991.32 km) |
| Kraainem to Orange City (Florida) | 4,518.87 mi (7,272.42 km) |
| Kraainem to Orangeburg (South Carolina) | 4,277.27 mi (6,883.60 km) |
